Home / 7,025.50-9,695.58-3,881.68

Finding the Fourth Proportional to 7,025.50, 9,695.58 and 3,881.68

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Solution

The fourth proportional to 7,025.50, 9,695.58 and 3,881.68 is: 5,356.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,025.50 : 9,695.58 = 3,881.68 : x
  2. Step 2: Convert to fraction form
    7,025.50/9,695.58 = 3,881.68/x
  3. Step 3: Cross multiply
    7,025.50x = 9,695.58 × 3,881.68
  4. Step 4: Simplify right side
    7,025.50x = 37,635,138.97
  5. Step 5: Solve for x
    x = 37,635,138.97/7,025.50
  6. Step 6: Final answer
    x = 5,356.93

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.